<template>
  <div class="app-container">
    <el-card shadow="always" :body-style="{ padding: '20px' }">
      <div slot="header">
        <span>粉丝消息处理</span>
      </div>
      <!-- card body -->
      <div class="mod-config">
        <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
          <el-form-item>
            <el-select v-model="dataForm.startTime" placeholder="时间">
              <el-option v-for="(name,key) in timeSelections" :key="key" :value="name" :label="key" />
            </el-select>
          </el-form-item>
          <el-form-item>
            <el-select v-model="dataForm.msgTypes" placeholder="消息类型">
              <el-option value="" label="不限类型" />
              <el-option value="text,image,voice,shortvideo,video,news,music,location,link" label="消息" />
              <el-option value="event,transfer_customer_service" label="事件" />
            </el-select>
          </el-form-item>
          <el-form-item>
            <el-button @click="getDataList()">查询</el-button>
          </el-form-item>
        </el-form>
        <div class="text-gray">
          24小时内消息可回复。此后台展示消息有一分钟左右延迟，如需畅聊请使用
          <a href="https://mpkf.weixin.qq.com/" target="_blank">公众平台客服</a>
        </div>
        <div v-loading="dataListLoading">
          <div v-for="(msg,index) in dataList" :key="index" class="msg-item">
            <div class="avatar"><el-avatar shape="square" :size="60" :src="getUserInfo(msg.openid).headimgurl" /></div>
            <div class="item-content">
              <div class="flex justify-between margin-bottom">
                <div class="text-cut">{{ getUserInfo(msg.openid).nickname || '--' }}</div>
                <div>{{ $moment(msg.createTime).calendar() }}</div>
                <div class="reply-btn">
                  <div v-if="canReply(msg.createTime)" class="el-icon-s-promotion" @click="replyHandle(msg.openid)">回复</div>
                </div>
              </div>
              <wx-msg-preview :msg="msg" single-line />
            </div>
          </div>
        </div>
        <el-pagination :current-page="pageIndex" :page-sizes="[10, 20, 50, 100]" :page-size="pageSize" :total="totalCount" layout="total, sizes, prev, pager, next, jumper" @size-change="sizeChangeHandle" @current-change="currentChangeHandle" />
        <!-- 弹窗, 消息回复 -->
        <wx-msg-reply ref="wxMsgReply" @success="onReplyed" />
      </div>
    </el-card>

  </div>
</template>

<script>
const TIME_FORMAT = 'YYYY/MM/DD hh:mm:ss'
export default {
  components: {
    WxMsgReply: () => import('./wx-msg-reply'),
    WxMsgPreview: () => import('../components/wx-msg-preview')
  },
  data() {
    return {
      timeSelections: {
        '近24小时': this.$moment().subtract(1, 'days').format(TIME_FORMAT),
        '近3天': this.$moment().subtract(3, 'days').format(TIME_FORMAT),
        '近7天': this.$moment().subtract(7, 'days').format(TIME_FORMAT),
        '近30天': this.$moment().subtract(30, 'days').format(TIME_FORMAT)
      },
      dataForm: {
        startTime: this.$moment().subtract(1, 'days').format(TIME_FORMAT),
        msgTypes: ''
      },
      dataList: [],
      userDataList: [],
      pageIndex: 1,
      pageSize: 20,
      totalCount: 0,
      dataListLoading: false,
      dataListSelections: []
    }
  },
  activated() {
    this.getDataList()
  },
  methods: {
    // 获取数据列表
    getDataList() {
      this.dataListLoading = true
      this.$http({
        url: this.$http.adornUrl('/manage/wxMsg/list'),
        method: 'get',
        params: this.$http.adornParams({
          'page': this.pageIndex,
          'limit': this.pageSize,
          'msgTypes': this.dataForm.msgTypes,
          'startTime': this.dataForm.startTime,
          'sidx': 'create_time',
          'order': 'desc'
        })
      }).then(({ data }) => {
        if (data && data.code === 200) {
          this.dataList = data.page.list
          this.totalCount = data.page.totalCount
          this.refreshUserList(this.dataList)
        } else {
          this.dataList = []
          this.totalCount = 0
        }
        this.dataListLoading = false
      })
    },
    refreshUserList(msgList) {
      let openidList = msgList.map(msg => msg.openid).filter(openid => !this.userDataList.some(u => u.openid == openid))
      if (!openidList.length) return
      openidList = Array.from(new Set(openidList))// 去重
      this.$http({
        url: this.$http.adornUrl('/manage/wxUser/listByIds'),
        method: 'post',
        data: this.$http.adornParams(openidList, false)
      }).then(({ data }) => {
        if (data && data.code === 200) {
          this.userDataList = this.userDataList.concat(data.data)
        }
      })
    },
    getUserInfo(openid) {
      return this.userDataList.find(u => u.openid == openid) || { nickname: '--', headimgurl: '' }
    },
    // 是否可回复，24小时内可回复
    canReply(time) {
      return new Date(time).getTime() > new Date().getTime() - 24 * 60 * 60 * 1000
    },
    // 每页数
    sizeChangeHandle(val) {
      this.pageSize = val
      this.pageIndex = 1
      this.getDataList()
    },
    // 当前页
    currentChangeHandle(val) {
      this.pageIndex = val
      this.getDataList()
    },
    // 多选
    selectionChangeHandle(val) {
      this.dataListSelections = val
    },
    // 回复消息
    replyHandle(openid) {
      this.$nextTick(() => {
        this.$refs.wxMsgReply.init(openid)
      })
    },
    onReplyed(replyMsg) {
      this.dataList.unshift({
        openid: replyMsg.openid,
        msgType: replyMsg.replyType,
        detail: {
          content: replyMsg.replyContent
        },
        inOut: 1,
        createTime: new Date()
      })
    }
  }
}
</script>
<style scoped>
.msg-item{
  border: 1px solid #DCDFE6;
  display: flex;
  justify-content: flex-start;
  align-items: top;
  margin-top: 20px;
  padding: 10px 20px;
}
.avatar{
  flex: 0;
  display: inline-block;
  min-width: 60px;
  margin-right: 20px;
}
.item-content{
  flex: 1;
  line-height: 20px;
  max-width: 100%;
  overflow: hidden;
}
.reply-btn{
  width: 50px;
}
</style>
